<script type="text/javascript">
	$j("ul.roll > li > .openclose").live("click", function(){doRoll($j(this));});

	function doRoll(opencloseItem){
		var item = opencloseItem.parent();

		if(item.is('.open')){
			item.removeClass('open');
		}else{
			item.addClass('open');
		} 
		item.next('ul').slideToggle();
	}
</script>